Home / 1,318,639.68-1,978,771.68-519,785.28

Finding the Fourth Proportional to 1,318,639.68, 1,978,771.68 and 519,785.28

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Solution

The fourth proportional to 1,318,639.68, 1,978,771.68 and 519,785.28 is: 779,998.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,639.68 : 1,978,771.68 = 519,785.28 : x
  2. Step 2: Convert to fraction form
    1,318,639.68/1,978,771.68 = 519,785.28/x
  3. Step 3: Cross multiply
    1,318,639.68x = 1,978,771.68 × 519,785.28
  4. Step 4: Simplify right side
    1,318,639.68x = 1,028,536,391,744.87
  5. Step 5: Solve for x
    x = 1,028,536,391,744.87/1,318,639.68
  6. Step 6: Final answer
    x = 779,998.06

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